Why has SIP softphone sparked interest in the telephony market?

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    Cost savings through free or low-cost calls, especially over the internet.

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    Flexibility with use on computers, smartphones, and tablets.

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    Features like call hold, transfer, forwarding, SMS, chat, and conference calling.

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    Integration with CRMs, Microsoft Teams and other business tools.

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    Scalability to accommodate growth without significant infrastructure changes.

Desktop and Mobile UI of Tragofone SIP Softphone
why-us

Benefits of Tragofone SIP Softphone
for Businesses

Features of Tragofone SIP Softphone

Advanced Calling Experience

Tragofone supports HD voice & video calls with features like call transfer, voicemail, call recording, and 3-way conferencing for smooth professional communication.

CRM & System Integrations

Tragofone integrates with enterprise tools like HubSpot, noCRM, PortaSwitch, Microsoft Teams, NetSapiens, Zoom and more.

White Labeling & Customization

You can fully rebrand Tragofone, change its name, logo, colors, and UI to match your business. From interface language to call settings, everything is customizable for a branded experience.

Chat, SMS & Presence

Stay connected through one-to-one or group chat, SMS, and MMS. You can sync contacts, share files, and track availability with real-time presence, all from one place.

Push Notification

Using SIP integrations with Push Call Server (PCS), Tragofone ensures desktop and mobile devices receive call alerts in real time, even when the app is closed.

Auto-Provisioning

Tragofone simplifies large-scale deployments with SIP-based auto-provisioning. Admins can configure settings remotely via a centralized dashboard.

Advanced Call Analytics

Tracks SIP-level metrics like session quality, network type, call abandonment, and device-specific logs to help businesses monitor and optimize call performance.

Enterprise Contact Integration

SIP-enabled contact syncing allows Tragofone to integrate with enterprise directories, LDAP, cloud contacts from Google and Microsoft, so users have unified access to their business contacts.

Call Transfer, Hold & Conference

Enables SIP-based call management capabilities such as transferring calls, putting them on hold, and VoIP conferencing calls—crucial for business-grade telephony.

Secure SIP Communication

Tragofone protects your conversations using TLS, SRTP, DTLS, and secure WebSocket protocols.

Multi-Device Sync

Tragofone supports simultaneous multi-device login, syncing SIP sessions and call logs in real time across desktop and mobile.

Call Forwarding

Tragofone allows SIP rule-based forwarding of calls and supports emergency number routing as defined in enterprise SIP policies.

How SIP Coordinates Real-Time Voice, Video, and Messaging Sessions

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    User Availability

    Determines whether the party that is being called is available to take it.

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    User Capabilities

    Defines the media streams to be used for the call.

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    App Notifications

    Delivers push notifications to iOS devices using APNS and to Android devices using Google FCM.

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    Session Setup

    Connects a call from one user to the other.

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    Session Management

    Running of the call session. For example: transferring and ending a call.

Push notifications on Tragofone SIP softphone
Softphone UI showing presence status
Tragofone UI showcasing SIP softphone features
Connecting a SIP call
SIP calling on Tragofone app

How SIP Powers a VoIP Session Call Flow

Woman using laptop and connecting to SIP server

Registration

When a user agent launches, it has to register with a VoIP SIP server so it can be found by other users. This happens by using the SIP Register request message.

Making a Call

The SIP invite initiates an attempt to establish a call. This is sent from the caller to the SIP server where it finds the call receiver’s number. Once the number is located, the invite is forwarded.
User making a SIP call

Managing a Call

The VoIP call is transmitted between the user agents using RTP (real-time transport protocol), which is also used for sending audio and video data over IP networks.

woman on a SIP call using the headsets

Terminating a call

When a user ends a call, a SIP softphone client Bye request is sent. The call can be ended from either side of the line. The termination is confirmed by the other user agent with a SIP 200 status code response.

How SIP Adds Value to VoIP Phone System

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    Reduces infrastructure costs by replacing traditional phone lines with SIP trunks

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    Supports voice, video, messaging, and presence information in a single platform

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    Enables call transfer, voicemails, auto-attendants, conferencing, and CRM integration

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    Supports encryption protocols like TLS, SRTP and WebSocket

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    Adapts to emerging business communication technologies like WebRTC and IoT

SIP calling symbol and diagram

How to Get Your Business Ready for SIP Calling

Network Readiness for SIP and QoS

Verify that your existing hardware, routers, and wireless network are fully capable of efficiently handling Quality of Service (QoS) settings and support a SIP-based environment.

Bandwidth & VoIP Compatibility

Ensure your network has sufficient bandwidth to handle VoIP traffic alongside existing data usage. Upgrade to a VoIP phone system, or some traditional phones can be upgraded with (ATAs).

SIP Enabled PBX or Cloud Solutions

To support SIP calling, you may need to upgrade your existing PBX with SIP trunking. It is also advisable to switch to a cloud-based communication solution to keep the transition smooth and future-proofing.

Latest Updates From Tragofone

Frequently Asked Questions

Get quick answers to common questions about our VoIP softphone solutions and features

Patrick Gentemann videoplay

Ubefone , France

Partnering with Tragofone has transformed our telecom services. Their softphone solution delivers exceptional call quality, reliability, and customization, greatly enhancing our customer experience. The seamless integration and outstanding support team further boost our service capabilities. Tragofone's dedication and innovation make it a highly recommended partner for any telecom operator seeking superior softphone solutions.

Rafael Manarin

Vox City, Brazil

Tragofone's team exceeds expectations by creating VoxFone, an app that perfectly caters to the needs of the Brazilian market. It boasts various user-friendly features, including text chat, video calls, internal and external calls, and a straightforward setup process. Enter your login credentials and you're ready to go. No technical expertise is required! The Brazilian public loved how strong, compatible, and easy to use the system was! Thanks, Tragofone crew!

Arjan Westmass

WeCloudit, Netherlands

WeCloudit was looking for a solution that would bring our business and our clients further. A robust and stable solution to reliably make telephone calls via an "app" on Android and IOS. Tragofone has proved to be such a solution provider and has proactively helped us reach that goal. Many clients now enjoy the freedom of direct VoIP calls from there cellular devices.

John Farhat

Loquantur, INC., United States

For years, we struggled to offer a secure, self-configurable app for our clients. Enter Tragofone! They built a custom, encrypted app with QR code setup, taking clients from zero to operational in 30-40 seconds. The responsive Tragofone team became a true extension of ours, always exceeding expectations.

Patrick Williams

Wocom, Jamaica

Tragofone transformed our business. Tragofone simplified everything with one-step onboarding, clear calling, and secure chat. It's a reliable, user-friendly solution that improves both our operations and our clients' communication. Since incorporating Tragofone into our systems, we have witnessed a remarkable transformation. The integration process is now streamlined into a one-step procedure, simplifying the onboarding of our clients.

Peter Enumah

Cedarview , Nigeria

Tragofone consistently delivers exceptional customer experiences through innovative, tailored solutions that surpass expectations. Their VoIP offerings expertly address the Nigerian market's needs, showcasing outstanding voice quality, reliability, and intuitive interfaces. Tragofone's dedication to excellence, innovation, and customer satisfaction makes them an exemplary partner for telecommunications companies seeking premium VoIP solutions.

Yaser Ali Akram

Easy Solutions , Netherlands

I am pleased to share my experience with Werk Tel App in the Dutch market.Since its launch, the app has significantly streamlined our operations, providing a seamless and efficient solution for our customers.The user-friendly interface, robust performance, and reliable functionality have contributed to an improved customer experience.Additionally, the support from the Tragofone Team has been exceptional, ensuring smooth integration and ongoing enhancements.We appreciate the expertise and dedication of your team, and we look forward to continuing our collaboration as we expand our reach in the Netherlands.

Goh Yan Chang (吳炎昶)

iTechstro Pte Ltd, Singapore

We were looking for a reliable and flexible SIP softphone that could be white-labeled for our customers, and Tragofone has proven to be a strong choice. While we initially encountered some compatibility issues with a few of our PBX systems, their engineering team was responsive and worked closely with us to resolve them. The result is a softphone that now works smoothly across multiple PBX brands and models. Combined with its clean interface and customizable branding, Tragofone has become a valuable part of our offering.

Centralix

Italy

Our experience with the Tragofone team was truly positive. They understood our needs and offered the right solutions. Onboarding and execution were smooth and on time. Their softphone works seamlessly in-office and on the go. Post-sales support was prompt and effective. We highly recommend Tragofone to peers and partners.

Get in touch with our team today